What it is: A long-lasting eyeliner that delivers creamy, dense color that glides smoothly onto your lids. What it does: Safe for use on your waterline, this pencil features an eight-hour water-resistant formula that stays put and smudge-free without transferring. How to use: Apply directly to your eyelid or waterline. Style Name: Mac Pro Longwear Eyeliner. Style Number: 645346. Available in stores.